单行线(路): one way only; one way traffic单行线标志: one way sign; onewaysign单行线车辆不得逆行one-way: street. retrograde motion单行: one street; single row; singlerow; uniline; use a single drug; using a single drug成单行: file 1单行本: separate; separate edition; an article in pamphlet form; offprint单行程: one-way trip单行道: one- way street; one- way traffic单行的: haplostichous; singleline; unicursal; uniserial; uniseriate单行法: slip laws单行环: uniserial circle单行键: single cycle key; single vertical key单行路: one way单行铆: single riveting; single row riveting; single-row riveting单行图: unicursal graph收单行: acquiring bank北行线: northing并行线: parallel line串行线: serial line internet protocol connections导行线: channelizing line东行线: easting飞行线: flight path; wire; flying环行线: belt line; detour; loop route铆行线: gage line; gaugeline单行文字: dhwz; single text; t78_ttext单行为方式: single-behavior mode